Includes full color and black and white illustrations. Recently declassified history from the Center for the Study of National Reconnassiance, National Reconnaissance Office. From the preface: "The Hexagon Story was written in 1988 by Frederic Oder, James Fitzpatrick and Paul Worthman. Carefully doucments the Air Force's management of the Hexagon system once it was turned over to the Air Froce program element at the NRO in 1973 by the CIA program element at the NRO. The authors include a wide range of summary tables and information including details of each launch, companies and personnel involved in the launches, color photographs and illustrations, and the capabilities of the systems. The history is well-documented and sourced."